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BUSINESS COMBINATION (Details - Narrative) - USD ($)
$ in Millions
Jul. 18, 2018
Jun. 30, 2019
Dec. 31, 2018
Business Acquisition [Line Items]      
Other invested assets   $ 19,454 $ 19,341
Validus Holding Ltd [Member]      
Business Acquisition [Line Items]      
Interest acquired 100.00%    
Cash consideration paid $ 5,500    
Validus Holding Ltd [Member] | North America Operating Segment [Member]      
Business Acquisition [Line Items]      
Goodwill 1,800    
Validus Holding Ltd [Member] | International Operating Segment [Member]      
Business Acquisition [Line Items]      
Goodwill $ 157    
AlphaCat [Member]      
Business Acquisition [Line Items]      
Other invested assets   $ 125